Patents by Inventor George F. Rowell

George F. Rowell has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Allyl alcohol purification
    Patent number: 5972173
    Abstract: Mixtures of allyl alcohol and n-propanol are separated by extractive distillation using propylene carbonate, N-methyl pyrrolidone or gamma-butyrolactone extractive distillation solvent.
    Type: Grant
    Filed: November 9, 1998
    Date of Patent: October 26, 1999
    Assignee: Arco Chemical Technology, LP
    Inventors: Te Chang, George F. Rowell